Nov 28 07:40:59.677 INFO checking clD11/rust-katas against master#0b9f19dff1347e29bf4362ab5a8fab84b43023b5 for pr-56074
Nov 28 07:40:59.677 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56074/worker-7/master#0b9f19dff1347e29bf4362ab5a8fab84b43023b5:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-56074/master#0b9f19dff1347e29bf4362ab5a8fab84b43023b5:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +0b9f19dff1347e29bf4362ab5a8fab84b43023b5-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Nov 28 07:41:00.154 INFO [stdout] 85d6ef6e66dbc98ee3e0180fa0f0d4d0cac6cec8a1aaa2060a1e4a51ff1a3923
Nov 28 07:41:00.156 INFO running `"docker" "start" "-a" "85d6ef6e66dbc98ee3e0180fa0f0d4d0cac6cec8a1aaa2060a1e4a51ff1a3923"`
Nov 28 07:41:01.320 INFO [stderr] usermod: no changes
Nov 28 07:41:01.456 INFO [stderr]     Checking rust-katas v0.1.0 (/source)
Nov 28 07:41:02.022 INFO [stderr] warning: unused import: `std::io`
Nov 28 07:41:02.022 INFO [stderr]  --> src/main.rs:3:5
Nov 28 07:41:02.022 INFO [stderr]   |
Nov 28 07:41:02.022 INFO [stderr] 3 | use std::io;
Nov 28 07:41:02.023 INFO [stderr]   |     ^^^^^^^
Nov 28 07:41:02.023 INFO [stderr]   |
Nov 28 07:41:02.023 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 28 07:41:02.023 INFO [stderr] 
Nov 28 07:41:02.023 INFO [stderr] warning: unused import: `rand::Rng`
Nov 28 07:41:02.023 INFO [stderr]  --> src/main.rs:4:5
Nov 28 07:41:02.023 INFO [stderr]   |
Nov 28 07:41:02.023 INFO [stderr] 4 | use rand::Rng;
Nov 28 07:41:02.023 INFO [stderr]   |     ^^^^^^^^^
Nov 28 07:41:02.035 INFO [stderr] 
Nov 28 07:41:02.035 INFO [stderr] warning: unused import: `std::cmp::Ordering`
Nov 28 07:41:02.035 INFO [stderr]  --> src/main.rs:5:5
Nov 28 07:41:02.035 INFO [stderr]   |
Nov 28 07:41:02.035 INFO [stderr] 5 | use std::cmp::Ordering;
Nov 28 07:41:02.035 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^
Nov 28 07:41:02.035 INFO [stderr] 
Nov 28 07:41:02.111 INFO [stderr] warning: unused import: `std::io`
Nov 28 07:41:02.111 INFO [stderr]  --> src/main.rs:3:5
Nov 28 07:41:02.111 INFO [stderr]   |
Nov 28 07:41:02.111 INFO [stderr] 3 | use std::io;
Nov 28 07:41:02.111 INFO [stderr]   |     ^^^^^^^
Nov 28 07:41:02.111 INFO [stderr]   |
Nov 28 07:41:02.111 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 28 07:41:02.111 INFO [stderr] 
Nov 28 07:41:02.111 INFO [stderr] warning: unused import: `rand::Rng`
Nov 28 07:41:02.111 INFO [stderr]  --> src/main.rs:4:5
Nov 28 07:41:02.111 INFO [stderr]   |
Nov 28 07:41:02.111 INFO [stderr] 4 | use rand::Rng;
Nov 28 07:41:02.111 INFO [stderr]   |     ^^^^^^^^^
Nov 28 07:41:02.111 INFO [stderr] 
Nov 28 07:41:02.111 INFO [stderr] warning: unused import: `std::cmp::Ordering`
Nov 28 07:41:02.111 INFO [stderr]  --> src/main.rs:5:5
Nov 28 07:41:02.111 INFO [stderr]   |
Nov 28 07:41:02.112 INFO [stderr] 5 | use std::cmp::Ordering;
Nov 28 07:41:02.112 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^
Nov 28 07:41:02.112 INFO [stderr] 
Nov 28 07:41:02.173 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.82s
Nov 28 07:41:02.177 INFO [stderr] su: No module specific data is present
Nov 28 07:41:02.578 INFO running `"docker" "inspect" "85d6ef6e66dbc98ee3e0180fa0f0d4d0cac6cec8a1aaa2060a1e4a51ff1a3923"`
Nov 28 07:41:02.854 INFO running `"docker" "rm" "-f" "85d6ef6e66dbc98ee3e0180fa0f0d4d0cac6cec8a1aaa2060a1e4a51ff1a3923"`
Nov 28 07:41:03.162 INFO [stdout] 85d6ef6e66dbc98ee3e0180fa0f0d4d0cac6cec8a1aaa2060a1e4a51ff1a3923